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Mineral

Iodine

Iodine is an essential trace mineral the thyroid needs to make its hormones. It comes mainly from seafood, dairy and iodized salt.

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Which forms are used?

Supplements commonly contain potassium iodide or sodium iodide. Kelp products also supply iodine, but seaweed iodine content varies greatly. 1 2

Who may need to look more closely at food choices?

BfR highlights people who avoid fish and dairy foods, including those eating a vegan diet, because important iodine sources are missing. 3

Sources

  1. Iodine: Health Professional Fact Sheet NIH Office of Dietary Supplements
  3. Jod BfR